Update namespace to match framework/ml/nn

Bug: 72448000
Test: make vts
Change-Id: I3543913561b33e4d1e9d960ec1f81624fb0a1e6b
Merged-In: I3543913561b33e4d1e9d960ec1f81624fb0a1e6b
(cherry picked from commit de16694a6079355867287e4613ae89123c224171)
diff --git a/neuralnetworks/1.1/vts/functional/Models.h b/neuralnetworks/1.1/vts/functional/Models.h
index c3cadb5..eac4df1 100644
--- a/neuralnetworks/1.1/vts/functional/Models.h
+++ b/neuralnetworks/1.1/vts/functional/Models.h
@@ -31,7 +31,7 @@
 namespace vts {
 namespace functional {
 
-using MixedTypedExample = generated_tests::MixedTypedExampleType;
+using MixedTypedExample = test_helper::MixedTypedExampleType;
 
 #define FOR_EACH_TEST_MODEL(FN)                                \
     FN(add)                                                    \